/// <summary>
    /// 消息推送
    /// </summary>
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            while (Response.IsClientConnected)
            {
                Response.Write("ok<br/>");
                Response.Flush();
                System.Threading.Thread.Sleep(500);
            }
        }
    }

消息推送